Bosch monovalves and monovalve repair kits are now no longer available new. Even after rebuilding, the OE Bosch monovalves tend to operate poorly at high RPMs and are prone to sticking. This Valve Fits: 1981-1983 240D w/ACC III, 1981-1985 280CE w/ACC III, 1981-1985 300D,300CD, 300TD, w/ACC III, and all other W123 models with w/ACC III.
